A new pop-up window will appear asking: "Reboot to safe mode. All third-party apps will be disabled."
Continue holding the Volume Down button until the phone finishes booting and you see the home screen.
Tap OK .
As soon as the Sony logo appears (white text on a black background), press and hold the Volume Down button .
Press and hold the Power button for 10–15 seconds until the phone vibrates and the screen goes black (forced reboot). ru he zai SONY Xperia 1 II shang ji huo an quan mo shi-
Press and hold the Power button (located on the right side, integrated into the fingerprint sensor) until the power menu appears on the screen.
Safe Mode is a diagnostic tool built into Android. When activated, the phone temporarily disables all third-party apps. This allows you to determine whether a problem (e.g., crashing, overheating, battery drain, pop-up ads) is caused by an app you installed or by the core Android system/launcher. The Sony Xperia 1 II (Mark 2) runs on a near-stock version of Android. As such, the method for entering Safe Mode is standard but requires precise timing. Method 1: Using the Power Button (Standard Method) This is the most reliable method for the Xperia 1 II. A new pop-up window will appear asking: "Reboot to safe mode
By using Safe Mode on your Sony Xperia 1 II, you can effectively diagnose crashes, battery issues, and overheating without losing any personal data.